Mecanica popular - volumen - Mensual - 1948- . P. B.: 1988, vol. 41, no. 3, 9, 11 ; 1989, vol. 42, no. 3 ; 1990, vol. 43, no. 5, 6 ; 1991, vol. 44, no. 1. Rev. baja BC Rev. baja BSP ISSN: 0186-9639 Subjects--Topical Terms: Ingenierķa. Dewey Class. No.: M